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Shtirlitz [24]
2 years ago
5

How do I solve these?​

Mathematics
1 answer:
Diano4ka-milaya [45]2 years ago
3 0
So if this is Order of operations then use PEMDAS. Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.
If not then let me know plz.
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Find the sum of the first 6 terms in the sequence -5 -25 -125 -625
sashaice [31]
This is a geometric sequence, so use the formula for the sum of a geometric sequence:
Sum = (a(r^n - 1))/(r - 1)
where a is the first term, -5
r is the common ratio, 5
and n is the number of terms

Thus,
Sum = ((-5)(5^6 - 1))/(5-1) = -19530
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3 years ago
Find the area of the right triangle. If necessary, round to the nearest tenth
Ad libitum [116K]

Answer:

B. 150 yards

Step-by-step explanation:

Area of a Triangle = .5 * Base * height

So we need the height of the triangle, or the missing side.

We have to use Pythagorean Theorem to solve this:

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b^2 = 400

sqrt (400) = 20

The missing height is 20. Now we plug it into 1/2 * b * H

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3 years ago
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lapo4ka [179]

Answer:

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Nady [450]

Answer: x = 5y/ 2y + 4

Step-by-step explanation: coz I juss know

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I need help is it A B C or D
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